Radar data obtained from Arecibo and Goldstone in 2000 are used to construct a three-dimensional shape model of near-Earth asteroid (4486) Mithra (provisional designation 1987 SB) as reported by Brozovic et al. (2010).  The radar data provide prograde and retrograde models of similar shapes of an irregular, bifurcated object with an equivalent diameter of approximately 1.7 km.  Both models have equal sidereal rotation periods of 67.5 +/- 6.0 h and provide a good match to the image resolution of 19 m.



REFERENCES 
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Brozovic, M., L.A.M. Benner, C. Magri, S.J. Ostro, D.J.Scheeres, J.D. Giorgini, M.C. Nolan, J.L. Margot, R.F. Jurgens, R. Rose, Radar observations and a physical model of contact binary asteroid 4486 Mithra, Icarus 208, 207-220, 2010, doi:10.1016/j.icarus.2010.01.035.